. >> that is former congress woman gabrielle gifford who's made a dramatic appeal today on gun control. she and her husband, mark cell yes met with president obama today. giffords told congress tod65r at now. >> gun safety advocates and the national rifle association squared off on this issue. mark? >> the senate is considering and today, both sides ofk(x the debate were represented at that hearing. first, gabby giffords in a senate hearing the appearance was brief but powerful. >> speaking is difficult but i need to say something important. v congress woman shot in the head two years ago, made an appeal for action. >> too many children are dying. too many children. we must do something. >> the murder of 20 school;xÑ children reignited the debate, today, in what will be a long battle over efforts to strengthen background checks on purchases and renew a ban on assault weapons. and told senators background checks would be a waste of time and money. >>zyn: you'll create an enormos federal bureaucracy, unfunded. they'll have to go through it. >> saying criminals won't go through backgrou